在c# windows窗口程序中 ,DateTimePicker这个控件上我是这样操作的 int dt1, dt2;
private void dateTimePicker1_ValueChanged(object sender, EventArgs e)
{
DateTime dt1 = dateTimePicker1.Value;
} private void monthCalendar1_DateChanged(object sender, DateRangeEventArgs e)
{
DateTime dt2 = dateTimePicker2.Value;
} private void button1_Click(object sender, EventArgs e)
{
TimeSpan span = dt2.Subtract(dt1);
int dayDiff = span.Days;
}
这样写后发现Subtract显示错误,和int冲突,请问该怎么修改?我做这个是想通过2个DateTimePicker这个控件来直接得出之间相差的天数,在这个程序中,我还有一个textbox来输出结果,请问这个要怎么写?
private void dateTimePicker1_ValueChanged(object sender, EventArgs e)
{
DateTime dt1 = dateTimePicker1.Value;
} private void monthCalendar1_DateChanged(object sender, DateRangeEventArgs e)
{
DateTime dt2 = dateTimePicker2.Value;
} private void button1_Click(object sender, EventArgs e)
{
TimeSpan span = dt2.Subtract(dt1);
int dayDiff = span.Days;
}
这样写后发现Subtract显示错误,和int冲突,请问该怎么修改?我做这个是想通过2个DateTimePicker这个控件来直接得出之间相差的天数,在这个程序中,我还有一个textbox来输出结果,请问这个要怎么写?
private void dateTimePicker1_ValueChanged(object sender, EventArgs e)
{
dt1 = dateTimePicker1.Value;
} private void monthCalendar1_DateChanged(object sender, DateRangeEventArgs e)
{
dt2 = dateTimePicker2.Value;
} private void button1_Click(object sender, EventArgs e)
{
TimeSpan span = dt2.Subtract(dt1);
int dayDiff = span.Days;
}
private void button1_Click(object sender, EventArgs e)
{
TimeSpan span = dt2.Subtract(dt1);
int dayDiff = span.Days;
textbox.text=dayDiff.ToString();
}
Console.WriteLine(DateTime.MinValue.Subtract(DateTime.MaxValue).TotalDays);这两个都不会报错。你的程序应该也不会报错的吧。